3.26+16.74÷4.5简便算法?
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先算除法,再算加法
3.26+16.74÷4.5
=3.26+16.74÷9/2
=3.26+16.74×2/9
=3.26+1.86×2
=3.26+3.72
=6.98
3.26+16.74÷4.5
=3.26+16.74÷9/2
=3.26+16.74×2/9
=3.26+1.86×2
=3.26+3.72
=6.98
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